Home / 19,681.08-29,532.86-7,199.40

Finding the Fourth Proportional to 19,681.08, 29,532.86 and 7,199.40

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Solution

The fourth proportional to 19,681.08, 29,532.86 and 7,199.40 is: 10,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.08 : 29,532.86 = 7,199.40 : x
  2. Step 2: Convert to fraction form
    19,681.08/29,532.86 = 7,199.40/x
  3. Step 3: Cross multiply
    19,681.08x = 29,532.86 × 7,199.40
  4. Step 4: Simplify right side
    19,681.08x = 212,618,872.28
  5. Step 5: Solve for x
    x = 212,618,872.28/19,681.08
  6. Step 6: Final answer
    x = 10,803.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.